java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:36:43,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:36:43,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:36:43,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:36:43,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:36:43,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:36:43,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:36:43,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:36:43,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:36:43,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:36:43,685 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:36:43,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:36:43,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:36:43,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:36:43,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:36:43,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:36:43,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:36:43,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:36:43,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:36:43,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:36:43,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:36:43,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:36:43,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:36:43,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:36:43,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 20:36:43,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:36:43,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:36:43,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:36:43,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:36:43,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:36:43,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:36:43,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:36:43,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:36:43,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:36:43,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:36:43,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:36:43,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-09 20:36:43,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:36:43,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:36:43,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:36:43,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:36:43,734 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:36:43,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:36:43,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:36:43,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:36:43,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:36:43,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:36:43,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:36:43,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:36:43,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:36:43,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:36:43,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:36:43,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:36:43,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:36:43,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:36:43,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:36:43,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:36:43,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:36:43,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:36:43,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:36:43,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:36:43,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:36:43,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:36:43,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:36:43,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:36:43,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:36:43,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:36:43,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:36:43,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:36:43,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:36:43,785 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:36:43,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2019-08-09 20:36:43,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cc298f4/12152ac0051849448734e21aac90025d/FLAG5521605db [2019-08-09 20:36:44,413 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:36:44,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label16.c [2019-08-09 20:36:44,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cc298f4/12152ac0051849448734e21aac90025d/FLAG5521605db [2019-08-09 20:36:44,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33cc298f4/12152ac0051849448734e21aac90025d [2019-08-09 20:36:44,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:36:44,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:36:44,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:44,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:36:44,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:36:44,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:44" (1/1) ... [2019-08-09 20:36:44,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cc2b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:44, skipping insertion in model container [2019-08-09 20:36:44,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:44" (1/1) ... [2019-08-09 20:36:44,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:36:44,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:36:45,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:45,359 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:36:45,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:45,606 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:36:45,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45 WrapperNode [2019-08-09 20:36:45,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:45,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:36:45,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:36:45,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:36:45,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... [2019-08-09 20:36:45,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:36:45,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:36:45,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:36:45,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:36:45,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:36:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:36:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:36:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:36:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:36:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:36:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:36:45,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:36:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:36:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:36:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:36:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:36:47,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:36:47,550 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:36:47,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:47 BoogieIcfgContainer [2019-08-09 20:36:47,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:36:47,553 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:36:47,553 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:36:47,553 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:36:47,554 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:47" (1/1) ... [2019-08-09 20:37:02,918 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:37:02,925 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:37:02,929 INFO L168 Benchmark]: Toolchain (without parser) took 18229.54 ms. Allocated memory was 140.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 85.1 MB in the beginning and 734.1 MB in the end (delta: -649.0 MB). Peak memory consumption was 995.7 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:02,930 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 20:37:02,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.91 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 85.1 MB in the beginning and 167.2 MB in the end (delta: -82.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:02,932 INFO L168 Benchmark]: Boogie Preprocessor took 201.54 ms. Allocated memory is still 205.0 MB. Free memory was 167.2 MB in the beginning and 161.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:02,933 INFO L168 Benchmark]: RCFGBuilder took 1742.65 ms. Allocated memory was 205.0 MB in the beginning and 230.7 MB in the end (delta: 25.7 MB). Free memory was 161.3 MB in the beginning and 159.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:02,934 INFO L168 Benchmark]: Symbolic Interpretation took 15373.05 ms. Allocated memory was 230.7 MB in the beginning and 1.2 GB in the end (delta: 968.9 MB). Free memory was 159.7 MB in the beginning and 734.1 MB in the end (delta: -574.4 MB). Peak memory consumption was 980.1 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:02,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 411280#(and (= ~a24~0 1) (= ~a15~0 5) (= ~a21~0 8) (< 80 ~a12~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 907.91 ms. Allocated memory was 140.5 MB in the beginning and 205.0 MB in the end (delta: 64.5 MB). Free memory was 85.1 MB in the beginning and 167.2 MB in the end (delta: -82.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 201.54 ms. Allocated memory is still 205.0 MB. Free memory was 167.2 MB in the beginning and 161.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1742.65 ms. Allocated memory was 205.0 MB in the beginning and 230.7 MB in the end (delta: 25.7 MB). Free memory was 161.3 MB in the beginning and 159.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15373.05 ms. Allocated memory was 230.7 MB in the beginning and 1.2 GB in the end (delta: 968.9 MB). Free memory was 159.7 MB in the beginning and 734.1 MB in the end (delta: -574.4 MB). Peak memory consumption was 980.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...